By Robert Hart Immunity against the omicron coronavirus variant fades rapidly after a second and third dose of Pfizer and BioNTech’s Covid-19 vaccine, according to peer reviewed research published in JAMA Network Open on Friday, a finding that could...
By William A. Haseltine This story is part of a larger mosaic of stories on Post-Acute Sequelae of Covid-19 (PASC), also known as Long Covid. Read part one and two of this series. Comparing brain volume before and after individuals were exposed to...
By William A. Haseltine This is the first in a series on the Omicron variant, specifically discussing its derivative lineages: BA.1, BA.2, and BA.3. We have previously speculated on the potential origin of Omicron in an earlier article. The Omicron variant has...
By A.J. Herrington Compounds in cannabis can prevent infection from the virus that causes Covid-19 by blocking its entry into cells, according to a study published this week by researchers affiliated with Oregon State University. A report on the research,...
By Lisa Kim Scientists in Cyprus have found 25 cases of a strain of the coronavirus that they say combines elements of the delta and omicron variants, dubbing it “deltacron,” with a high proportion of the variant found in patients hospitalized for Covid-19, a...
By Jonathan Ponciano Though it's long been known to linger in respiratory tracts for weeks after infection, the coronavirus that causes Covid-19 can quickly spread to the entire body and remain in the heart, brain and other organs for as long as eight months,...